package Cookie;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
    @WebServlet("/CookieDemo2")
    public class CookieDemo2 extends HttpServlet {
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            this.doPost(req,resp);
        }

        @Override
        protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            //获取Cookie信息
            Cookie[] cs=req.getCookies();
            //获取数据,遍历Cookie
            if (cs != null) {
                for (Cookie c:cs) {
                    String name = c.getName();
                    String value = c.getValue();
                    System.out.println(name+":"+value);
                }
            }
        }
    }
}
